2025-12-18T13:46:45.64Z40.006500244140597-120.58383178710914.1999998092651manualconfirmedUSGS1.6md1Origin/20251218134827.250584.265371Magnitude/20251218134827.250635.265372USGS18 km NE of Greenhorn, CAregion namenccatalognc75282091contributorID